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JRFES
Published by Universitas PGRI Sumatera Barat
ISSN : 24073563     EISSN : 25033425     DOI : https://doi.org/10.22202/jrfes.2022.v9i2
Core Subject : Science, Education,
Education Physics Other
JRFES scopes are the result of research on physics research and physics education. JRFES is focused on publishing original research results that have not been published anywhere. Issues published by JRFES cover the areas of education namely planning, implementation, and evaluation of Education and the field of physics. This journal publishes original articles on the latest issues and trends occurring internationally in science curriculum, instruction, learning, policy, and preparation of science teachers with the aim to advance our knowledge of science education theory and practice. Moreover, this journal also covers the issues concerned with environmental education & environmental science. JRFES is dedicated to all physics education practitioners. The coverage of JRFES includes: experimental research, action research, qualitative research, quantitative research, and development research (model, media, and learning evaluation) aimed to improving the quality and building innovation in Physics Education, includes: Experimental Research Class Action Research Qualitative Research Quantitative Research Model Learning Development Media Learning Development Additional Learning Materials Development Learning Evaluation Literature Study    The articles in JRFES also include developments and researches in Classical Physics, and Modern Physics (theoretical studies, experiments, and its applications). Subject areas suitable for publication include, but are not limited tothe following fields: Nuclear and Radiation Physics Electronics and Instrumentation Physics Materials Physics Theoretical and Computational Physics
Arjuna Subject : Fisika dan Astronomi - Fisika dan Astronomi (Lain-Lain)
Articles 125 Documents
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Pengembangan Perangkat Pembelajaran Team Based Learning- Pbl Berbantuan WhatsApp dan Facebook Messenger
JRFES (Jurnal Riset Fisika Edukasi dan Sains) Vol 8, No 2 (2021): Jurnal Riset Fisika Edukasi dan Sains
Publisher : Universitas PGRI Sumatera Barat

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (566.86 KB) | DOI: 10.22202/jrfes.2021.v8i2.5427

Abstract

The Covid 19 pandemic has a major impact on all sectors of life including in the world of education. The implementation of PJJ (Distance Learning) requires new innovations in the development of learning devices so that learning continues to run well even though learning activities are carried out at home. The development model used in this research is the 4D Development model. The result of this study is that the learning device is said to be "valid" through a construct validity test. The resulting learning device is said to be practical based on the average percentage of learning implementation during 3 meetings by 95% and the percentage of teacher and learners' response results related to the use of learning devices in the online learning process by 98%-100% and 82%-86% on indicators. Concluded learning devices are developed quality and can be used as a new reference in the learning process.Keywords: Team Based Learning, Problem Based Learning (PBL), Learning Tools
PENINGKATAN AKTIVITAS BELAJAR MAHASISWA MELALUI PEMBELAJARAN KONSTRUKTIVIS PADA MATA KULIAH FISIKA UMUM
JRFES (Jurnal Riset Fisika Edukasi dan Sains) Vol 2, No 1 (2015): Jurnal Riset Fisika Edukasi dan Sains
Publisher : Universitas PGRI Sumatera Barat

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (123.393 KB) | DOI: 10.22202/jrfes.2015.v2i1.1669

Abstract

PENGARUH PENERAPAN MODEL PEMBELAJARAN CONCEPT ATTAINMENT TERHADAP HASIL BELAJAR FISIKA SISWA KELAS XI MIA
JRFES (Jurnal Riset Fisika Edukasi dan Sains) Vol 5, No 1 (2018): Jurnal Riset Fisika Edukasi dan Sains
Publisher : Universitas PGRI Sumatera Barat

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (287.781 KB) | DOI: 10.22202/jrfes.2018.v5i1.2763

Abstract

Penelitian ini dilatar belakangi oleh hasil belajar fisika siswa yang lebih rendah. Dalam penelitian ini mengaplikasikan model pembelajaran pencapaian konsep. Tujuan penelitian ini adalah untuk mengetahui pengaruh penerapan model pembelajaran pencapaian konsep dengan memperhatikan hasil belajar fisika siswa kelas XI MIA di SMA N 1 Siberut Selatan. Penelitian ini merupakan penelitian eksperimen semu dan posttest only control group design. Populasi penelitian adalah kelas XI MIA di SMA N 1 Siberut Selatan. Interpretasi sampel pada teknik sampel cluster random. Kelas XI MIA 3 dipilih sebagai sampel percobaan dan kelas XI MIA 1 sebagai kontrol. Instrumen menggunakan tes esai dan lembar observasi aktivitas. Analisis data, sampel yang dikenal adalah normal dan homogen. Uji hipotesis dengan menggunakan t-test diperoleh t_count> t_table. Ini menyimpulkan rata-rata hasil belajar fisik siswa yang diajarkan oleh model pembelajaran pencapaian konsep adalah perbedaan dengan pembelajaran konvensional. Aktivitas siswa yang diperoleh kelas eksperimen adalah 63,26 yang lebih tinggi dari kelas kontrol. Berdasarkan analisis dapat disimpulkan ada pengaruh model pembelajaran pencapaian konsep pada siswa hasil belajar fisika kelas XI MIA di SMA N 1 Siberut Selatan.
PENERAPAN MODEL PEMBELAJARAN CREATIVE PROBLEM SOLVING DAN PROBLEM BASED LEARNING UNTUK MENINGKATKAN KEMAMPUAN PEMECAHAN MASALAH FISIKA SISWA SMA NEGERI 4 KUPANG
JRFES (Jurnal Riset Fisika Edukasi dan Sains) Vol 8, No 1 (2021): Jurnal Riset Fisika Edukasi dan Sains
Publisher : Universitas PGRI Sumatera Barat

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (351.812 KB) | DOI: 10.22202/jrfes.2021.v8i1.4684

Abstract

Peneltian ini merupakan jenis penelitian eksperimen dengan desain penelitian randomized control group pre-test post-test design. Tujuan dari penelitian ini adalah (1) untuk mengetahui adanya perbedaan kemampuan pemecahan masalah fisika siswa yang diajar menggunakan model pembelajaran Creative Problem Solving dengan siswa yang diajar menggunakan model pembelajaran Problem Based Learning, (2) untuk mengetahui apakah kemampuan pemecahan masalah fisika siswa yang diajar menggunakan model pembelajaran Creative Problem Solving lebih tinggi daripada siswa yang diajar menggunakan model pembelajaran Problem Based Learning. Populasi dalam penelitian ini adalah seluruh kelas XI MIA SMA Negeri 4 Kupang, dengan pengambilan sampel yang dilakukan menggunakan teknik simple random sampling. Data kemampuan pemecahan masalah diperoleh dari instrumen soal essay pre-test dan post-test. Hasil penelitian menunjukan bahwa; 1) Terdapat perberdaan kemampuan pemecahan masalah fisika siswa yang signifikan antara siswa yang diajar menggunakan model pembelajaran Creative Problem Solving dengan siswa yang diajar menggunakan model pembelajaran Problem Based Learning; 2) kemampuan pemecahan masalah fisika siswa yang diajar menggunakan model pembelajaran Creative Problem Solving lebih tinggi daripada siswa yang diajar menggunakan model pembelajaran Problem Based Learning Kata Kunci: Model Pembelajaran Creative Problem Solving, Model Pembelajaran Problem Based Learning, Kemampuan Pemecahan Masalah
Pengaruh Kadar Perekat Papan Komposit Tandan Kosong Kelapa Sawit pada Taraf Intensitas Bunyi Fatisa, Huril; Nugroho, Bintoro Siswo; Nurhanisa, Mega; Wahyuni, Dwiria; Asri, Asifa
JRFES (Jurnal Riset Fisika Edukasi dan Sains) Vol 10, No 1 (2023): Jurnal Riset Fisika Edukasi dan Sains
Publisher : Universitas PGRI Sumatera Barat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22202/jrfes.2023.v10i1.6647

Abstract

A study was performed to analyze the sound intensity level and physical properties of a composite board made from oil palm empty fruit bunch (OPEFB) particles mixed with polyvinyl acetate (PVAc) adhesive. The composite boards were fabricated with various concentrations of adhesive, namely 8%, 10%, 12%, 14%, and 16%. The intensity level was measured at sound wave frequencies of 125 Hz, 250 Hz, 500 Hz, 1000 Hz, 2000 Hz, and 4000 Hz. The results showed that the highest sound intensity level, 74,2 dB at a frequency of 500 Hz, was found in the composite board with an 8% adhesive concentration. This composite board is categorized as a low-density composite board. The lowest sound intensity level, 58,6 dB at a frequency of 125 Hz, was found in the composite board produced with 16% adhesive concentration. This composite board is categorized as a high-density composite board. The physical property test results for all adhesive concentration variations showed that the resulting composite board density was 0,705-0,723 g/cm3, and the moisture content was 8,36%-9,66%. These values met the requirements of SNI 03-2105-2006. Keywords : Composite Boards, Sound Intensity Level, Composite Physical Properties
DEVELOPMENT OF PALM SHELL CARBON FOR PYSICS EKSPREIMENT TOOL Z, Zulpadrianto; Y, Yohandri; Putra, Ananda
JRFES (Jurnal Riset Fisika Edukasi dan Sains) Vol 10, No 1 (2023): Jurnal Riset Fisika Edukasi dan Sains
Publisher : Universitas PGRI Sumatera Barat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22202/jrfes.2023.v10i1.6780

Abstract

Research on science experiment practicum media has been carried out. This research is a laboratory experimental research. The aim of the research is to see the absorption of palm shell carbon against electromagnetic waves (RAM). RAM using palm shell carbon will be applied to anechoich chambers in science experiment practicums. Research procedure: carbonized palm shells were then activated using HCl. Activation was carried out with concentrations of 1, 2, 3, 4 and 5 Molar. In addition to the differences in the concentration of the activation substance, variations in the thickness of the print resulting from the activation were also carried out. The thickness of the printed material varies from 4mm, 6mm, 8mm and 10mm. The results of reflection loss measurements using a Vector network analyzer (VNA) at a frequency of 4GHz - 8GHz show differences for each concentration. Maximum reflection loss of palm shells using 1M HCl activation agent (-13.72 dB); 2M (-13.62dB); 3M (-13.35 dB); and 4M (-13.04dB) and 5M (-11.4 dB) concentrations. Variations in print thickness also have a significant effect on the absorber value of a material, the thicker the print results, the absorber value also increases. From the observations that have been made, the maximum absorber value is obtained when the thickness is 10mm at a concentration of 1M for the substance being tested.
Physics Education Technology (PhET) as Confirmatory Tools in Learning Physics Pranata, Ogi Danika
JRFES (Jurnal Riset Fisika Edukasi dan Sains) Vol 10, No 1 (2023): Jurnal Riset Fisika Edukasi dan Sains
Publisher : Universitas PGRI Sumatera Barat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22202/jrfes.2023.v10i1.6815

Abstract

Teaching physics are always challenging tasks. Teachers need to be responsive to their students’ needs. The best tool to utilized is Physics Education Technology (PhET). PhET provides features that support learning and teaching physics, including testing. These feature can be expanded as confirmatory tools for students. To explore and compare the tests result between two groups of students, the quantitative experimental methods was applied. The first group took the test using graph paper and with confirmatory tools. The other group took the test without any tools. The students’ answer were graded using vector assessment rubric. The collected data were analyzed descriptively and using an independent sample t-test. The results showed that the group of students who use PhET simulation obtained significanly different results (ρ=0.000), with average score of 80.43, which was higher than other group (62.35). The effect size was approximately 1.07, which is much larger than typical sized effect. 
PENGEMBANGAN PERFORMANCE ASSESMENT PADA PRAKTIKUM FISIKA DASAR Trisna, Silvi; Yanti, Iing Rika
JRFES (Jurnal Riset Fisika Edukasi dan Sains) Vol 10, No 1 (2023): Jurnal Riset Fisika Edukasi dan Sains
Publisher : Universitas PGRI Sumatera Barat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22202/jrfes.2023.v10i1.6805

Abstract

Fisika Dasar merupakan salah satu mata kuliah Program Studi Pendidikan Fisika di STKIP PGRI Sumatera Barat. Kuliah Fisika Dasar didukung dengan kegiatan praktikum untuk meningkatkan pemahaman mahasiswa terhadap materi yang telah disampaikan dalam perkuliahan. Maka untuk menunjang tercapainya kegiatan praktikum diperlukan penilaian. Dimana asesmen yang dikembangkan yaitu performance assesment diharapkan dapat menjadikan dosen untuk meningkatkan kualitas asesmen pada lab Dasar Fisika. Penilaian kinerja merupakan penilaian yang dilakukan dengan cara mengamati aktivitas siswa dalam melakukan sesuatu. Asesmen ini cocok untuk menilai pencapaian kompetensi yang menuntut mahasiswa melakukan tugas tertentu seperti praktikum sesuai dengan tuntutan silabus. Penelitian ini bertujuan untuk mengembangkan Performance Assessment pada latihan Fisika Dasar yang valid. Jenis penelitian yang digunakan adalah penelitian dan pengembangan dengan menggunakan model Plomp yang melewati tahapan: (1) penelitian pendahuluan, (2) tahap desain dan realisasi (tahap prototyping), dan (3) tahap uji dan penilaian). Pada tahap prototyping dilakukan penilaian kinerja desain pada lab Fisika Dasar. Penilaian kinerja yang telah dirancang kemudian divalidasi oleh 2 orang validator. Hasil validasi diperoleh 85,17 dengan kategori valid dan praktikalitas 81,81.
STUDY OF SAP WATER QUALITY BASED ON VISCOSITY AND DIELECTRIC CONSTANTS Zalpiana, Zalpiana; Bahtiar, Bahtiar; Meiliyadi, Lalu Ahmad Didik
JRFES (Jurnal Riset Fisika Edukasi dan Sains) Vol 10, No 1 (2023): Jurnal Riset Fisika Edukasi dan Sains
Publisher : Universitas PGRI Sumatera Barat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22202/jrfes.2023.v10i1.6662

Abstract

This study aims to determine the quality of sap water by measuring its viscosity and dielectric constant. The sample used is pure sap water and sap water mixed with coconut water. The dielectric constant was measured using the parallel plate method while the viscosity was measured using the Oswald viscometer method. Based on the measurement results, the viscosity coefficient value of pure sap water is 1.558 Poise. The value of the viscosity coefficient decreases as the concentration of the sap water decreases where the viscosity coefficient value is 1.005 Poise for the sap water with a concentration of 50% and 0.753 Poise for the sap water with a concentration of 10%. In measuring the value of the dielectric constant, the dielectric constant of pure sap water is 7.38 x 105. The dielectric constant value of the sap water decreases with the addition of coconut water which is 4.90 x 105 at a concentration of 50%, and 3.39 x 105 at a concentration 10%. Pure sap water has a higher level of viscosity than coconut water which is indicated by a higher coefficient of viscosity compared to sap water which has been mixed with coconut water so that it is able to store more electrical energy, as a result the capacitance increases and the dielectric constant also increases.
DESIGN AND DEVELOPMENT OF PHYDROMOD APPLICATION USING SCIENCE PROCESS SKILLS APPROACH AT IBNU SINA UNIVERSITY Meldra, Delia; L.Setyabudhi, Albertus; Mardiansyah, Yopy
JRFES (Jurnal Riset Fisika Edukasi dan Sains) Vol 10, No 1 (2023): Jurnal Riset Fisika Edukasi dan Sains
Publisher : Universitas PGRI Sumatera Barat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22202/jrfes.2023.v10i1.6360

Abstract

The purpose of this research is to develop a Phydromod product which is an android-based physics practicum e-module. This is because the physics practice courses at the Faculty of Engineering, Ibnu Sina University (UIS) has a fundamental obstacle, namely there is no fixed module that guides all students like other universities and high student mobility. The method used in this study is the Research and Development (RnD) method by following the ADDIE model for module and Waterfall for aplication. Phydromod was developed using the Java program, which will later contain practicum modules for each meeting. The subjects in this study were 1C Regular Industrial Engineering students. The evaluation was carried out using two questionnaires which were analyzed using a Likert scale, which consisted of a module validation questionnaire and the phydromod application. The results of this study are in the form of module products with a module validation value of 88 and 88.2% Phydromod implementation.Keywords: e-modul, physics, android, application

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